STAT 270 Study Guide - Spring 2019, Comprehensive Final Exam Notes - Jargon, Handwriting, Variance
1 Apr 2019
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9 september 2015: we covered web notes on introduction , we covered slides 1-8 of descriptive statistics , you should be reading the text. Chapters 1 and 2: we covered up to chapter 2. 3. 1, next class i will do chapter 2 through section 3 if possible. Please read that material in advance: you should review (and do as many as possible of) questions 2. 1 to 2. 19, handwritten slides, key ideas, jargon: Measures of centre or location: mean, median. Words to describe distributions or histograms: skewed to the right or left; tail of a distribution; long tail to the right and skewed to the right mean the same; symmetric; More bars gives more detailed information but makes the big picture" harder to see. Too few bars throws away too much information. In a histogram it is area of a bar which is used to represent the fraction or percentage of the data belonging in that bar.
